|
HS Code |
179992 |
| Chemical Name | Nitrosyl Chloride |
| Chemical Formula | NOCl |
| Molar Mass | 65.46 g/mol |
| Appearance | Yellowish gas or red liquid |
| Odor | Pungent, irritating |
| Melting Point | -59.5°C |
| Boiling Point | 5.5°C |
| Density | 1.391 g/cm³ (liquid at -15°C) |
| Solubility In Water | Reacts, forms hydrochloric and nitrous acids |
| Cas Number | 2696-92-6 |
| Toxicity | Highly toxic by inhalation |
| Vapor Pressure | 1.37 atm (20°C) |
As an accredited Nitrosyl Chloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Nitrosyl Chloride is packaged in a 500 mL amber glass bottle with a secure cap, labeled with hazard warnings and handling instructions. |
| Shipping | Nitrosyl Chloride (NOCl) should be shipped in tightly sealed, corrosion-resistant cylinders or containers under dry, cool, and well-ventilated conditions. It must be classified as a toxic and corrosive gas, handled per relevant hazardous material transportation regulations, and kept away from heat, moisture, and incompatible substances such as amines or metals. |
| Storage | Nitrosyl chloride should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat, and sources of ignition. Store it in tightly sealed, corrosion-resistant containers, clearly labeled, and away from organic materials, acids, and reducing agents. Proper chemical storage cabinets or secondary containment are recommended, and access should be restricted to trained personnel with appropriate safety precautions in place. |
Applications of Nitrosyl Chloride in Industrial ManufacturingAs a dedicated chemical raw material manufacturer, we support advanced industries by supplying high-purity Nitrosyl Chloride for specialized production requirements. This compound finds targeted, regulated use in select downstream sectors where performance, compliance, and precise process integration are imperative. 1. Caprolactam Intermediate Synthesis for Polyamide-6 ProductionNitrosyl Chloride plays a critical role in the synthesis of caprolactam, the monomer for polyamide-6 (PA6, Nylon-6). In industrial plants, it facilitates the oximation of cyclohexanone during the Beckmann rearrangement process. Integration into the cyclohexanone-to-cyclohexanone oxime stage requires stringent control of dosage and reaction temperature. End users in the fiber and engineering plastics industries depend on this intermediate to maintain strict molecular weight and impurity targets in the final polymer chain, impacting downstream mechanical performance and end-use certification. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Diazotization Reagent for Specialty Aromatic IntermediatesThe chemical properties of Nitrosyl Chloride enable selective diazotization of primary aromatic amines, serving as a key reagent for certain azo and nitroso dye manufacturing workflows. In these processes, it substitutes nitrite salt reagents under conditions that require minimized water content or where chloride incorporation is advantageous. Such applications remain significant in the synthesis of stable, lightfast pigments and selected drug intermediates, where side-reaction control and compliance with international colorant guidelines are mandatory. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Chloronitrosation Step in Agrochemical Active Ingredient ManufacturingMajor agrochemical producers utilize Nitrosyl Chloride for chloronitrosation reactions, introducing nitroso and chloro groups onto aromatic or aliphatic rings in certain pesticide active ingredient synthesis. These controlled transformations demand high-purity reagent input, vigilant process engineering to manage off-gassing and exothermicity, and strict adherence to sector-specific manufacturing practice standards to avoid prohibited impurities and to protect operator safety. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Nitrosating Agent in Pharmaceutical API Intermediate SynthesisAdvanced pharmaceutical manufacturers incorporate Nitrosyl Chloride selectively as a nitrosating agent for API intermediate generation, especially when nitrosation must occur without excess aqueous content or where N-nitroso compounds act as protected intermediates. These applications demand ultra-high purity input and real-time monitoring during charge and vent phases to ensure patient safety and compliance with stringent international pharmacopoeial and GMP requirements. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive Nitrosyl Chloride prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
In day-to-day operations at our synthesis facilities, Nitrosyl Chloride stands out for its distinct characteristics and reliability. Over the years, running reactors and monitoring purification columns, you quickly learn which chemicals demand extra vigilance and which ones come through for you batch after batch. Nitrosyl Chloride never blurs into the background. Manufactured under controlled conditions, this gas, with its telltale yellow-to-reddish hue, always commands attention from process technicians and chemists. From the pungent scent escaping the absorber to the unmistakable intensity on our gas detectors, nobody forgets the first time they work with this compound.
We prepare Nitrosyl Chloride as a compressed gas and also as a liquefied product in steel cylinders. Our regular production runs deliver concentrations of 99.5% or higher. Before filling, every batch undergoes moisture analysis and purity checks using established protocols. Quality managers track stability in storage and test for hydrolytic sensitivity, storing sample bottles long-term to monitor any changes. These steps aren’t just paperwork for us. On the line, any trace of free chlorine or water contamination can disrupt a downstream nitration reaction for our partners, so every reading counts.
Any colleague who’s handled mixed acid technologies has watched NOCl in action as a chlorinating and nitrating agent. Speaking from years running fine chemical syntheses, there’s little margin for error on color, gas evolution, or reactivity. In our production areas and R&D pilot plants, Nitrosyl Chloride delivers reliable yields for nitro derivatives of aromatic compounds. The material gets piped directly into enclosed reactors, where it participates in electrophilic aromatic substitution and controlled chlorination. Plant operators and process engineers see an immediate benefit in reaction rates—faster conversions mean less waste heat, cleaner profiles, and tighter product cut points.
Beyond nitration and chlorination, Nitrosyl Chloride enables key steps in pharma intermediate manufacture. Customers in the dye industry, for instance, turn to our product to form important diazonium salts, seeing sharper selectivity compared with alternate protocols. It also contributes to the synthesis of organic nitrites under regulated conditions, using established sequences that favor consistent impurity profiles. Each of these applications has shaped our production methods. Feedback cycles between our technical teams and users have pushed us to monitor trace contaminants and gas density, since every variable matters for those at scale.
On a daily basis, challenges from handling and logistics shape our workflow as much as the chemistry itself. Nitrosyl Chloride reacts with moisture to give off nitrosyls and hydrogen chloride. Everyone from loader operators to the maintenance team appreciates why good seals and purging matter, and nobody trusts a cylinder valve until three checks run through pressure and leak tests. The strong odor—sharp, even at low concentrations—doubles as a warning. Long before reaching the customer’s site, every batch passes through on-site gas monitors, and we keep separate areas for Nitrosyl Chloride cylinders. Regular staff drills fix emergency routines in muscle memory, so any signs of leakage trigger immediate isolation and ventilation.
Our customers also run into real constraints. Lab chemists need precise small volumes, while bulk users in chemical manufacturing demand larger lots with rapid turnaround. Over time, we’ve invested in manifold systems and pressure regulators suited to fast hook-ups. On both sides, the challenge remains: guarantee purity, ensure safe venting, and minimize turnaround time.
Decades of experience make it clear: Nitrosyl Chloride doesn’t behave like every other inorganic reagent. The gas has a boiling point near that of water but much higher vapor pressure under ambient conditions. Store it in direct sunlight and you risk pressure build-up—not just theoretical, but something witnessed now and then in poorly ventilated enclosures. Chemically, this compound reacts immediately with water to form hydrochloric acid and nitrous acid, which decompose further as the reaction proceeds. The effect keeps cleaning tasks front of mind, since even minor condensation creates corrosion hazards for steel fittings and transfer lines. On inspection days, nobody ignores the residue near cylinder taps.
In process design discussions, engineers routinely adjust apparatus and storage solutions to fit this reality. Many alternatives (like thionyl chloride or nitric acid mixtures) come with their own hazards—often higher toxicity or more difficult venting. Nitrosyl Chloride’s volatility, strong odor, and rapid reactivity create their own demands for containment, but the selectivity and high activity usually outweigh concerns, especially when plant downtime can multiply costs quickly if alternative reagents fail.
Any producer who works at scale knows there’s much more to a reagent than what shows up in a lab bottle. Nitrosyl Chloride shares some chemistry with sulfuryl chloride and phosphorus trichloride, but the actual effects in plant environments differ. SO2Cl2 generates far more heat during hydrolysis and offers a less selective chlorination pattern. For sites producing agrochemicals or specialty intermediates, this difference translates into fewer unwanted byproducts and better material economy. Our technical staff have run side-by-side trials: Nitrosyl Chloride sources less tar during aromatic substitutions and generates a cleaner exit stream. This means downstream purification teams wrestle with less column fouling and enjoy smoother operation schedules.
In direct comparison, thionyl chloride gets used as a chlorination workhorse for acyl chlorides but cannot trigger nitrosation in a single step. Nitrosyl Chloride, because of its dual function, has carved out an irreplaceable spot where both chlorination and nitrosation capacity matter in the same unit process. Synthetic chemists and industrial operators choose it for streamlining difficult process steps, reducing cycle time, and consolidating reagent management—especially in an era when every extra transfer or tank switch means hours of paperwork and extra training.
Economics play a hand, especially for long-term contracts. Facilities consider not only the sticker cost on the cylinder, but time spent managing byproducts and the cost of permits when handling corrosive gases. Nitrosyl Chloride’s distinct odor makes leaks much easier to detect and manage compared to colorless, less noticeable gases. Our experienced safety team relies on this trait during storage and transfer, tracking even the faintest sign with dedicated sensors. In the rare event when a batch triggers a complaint, operators trace lines back to cleaning schedules or upstream material vetting—a discipline that’s only grown as demand for high-purity reagents spikes.
Our customers push us for specifics—questions that get right to the heart of operations: “What is your moisture max?”, “How do you confirm the absence of free chlorine?”, “How do you trace minor impurities through scale-up?” The best answers come from experience, not just certificate readouts. We fix our typical specification at 99.5% minimum Nitrosyl Chloride by weight, with water under 0.05%. Each batch faces checks for potential contaminants: chlorine, dinitrogen tetroxide, sulfur dioxide, and related acids. Instruments calibrated in the on-site lab support these claims, and any deviation flags a halt.
Our technical support teams compare logbooks of observed plant runs. We’ve found that product purity below the 99.5% line disrupts expected conversion rates in nitrosation reactions. It took several cycles of lost yield and false starts before we locked in a regimen of cylinder cleaning and batch staging that keeps our levels steady. Industry partners trust this discipline—not because it’s printed, but because routine runs map to expected throughput figures. Even short delays at this level multiply across busy campaigns.
Transport brings its own expectations. End-use customers require drums or cylinders with no corrosion lining and clear batch records. For overland transport, the regulatory paperwork demands full disclosure of fill dates, lot codes, and recent inspection certificates. Loader crews and drivers receive training on both standard and “off-normal” procedures, vital in case of transfer line blockages or vent failures at remote sites. Regulatory inspections come unannounced. Any missed cylinder rotation or documentation slip creates headaches that stretch far beyond product cost—compliance drives every shipment’s secure preparation.
In upstream settings, teams value reagents that show up ready for action. Nitrosyl Chloride wins repeat orders from production supervisors because its effects are predictable: precise reaction initiation, clean conversion routes, and manageable risk profiles. Crews on midnight shifts recall the material as “no-nonsense.” Small leaks are detected instantly, so troubleshooting rarely delays schedules. During planned shutdowns, maintenance supervisors dissect failed seals and batch logs together, mapping improvement plans that feed directly back to our filling routines.
Some customers in the polymer additive sector find that using our product, compared with low-grade imports, secures more consistent pigment performance. Project records show that batches with marginal moisture variance deliver erratic color intensity, forcing end-users to rerun controls and quality assurance at their cost. Historically, this pushed us to invest in point-of-fill gas drying and repeated moisture checks at all fill stations. On inspection tours, site managers compare our track record to former suppliers and push for data access—a push we answer by granting real-time compliance log access.
Experience teaches humility. Nitrosyl Chloride’s reactivity means plant engineers must plan for worst-case release scenarios—not tomorrow, but today. Our exhaust scrubber units, for instance, run independent alarms for both HCl and NOx derivatives, since the breakdown products prove both corrosive and environmentally flagged. Operators check absorber solution strength before and after every batch run, and towers get routine replacement of critical packing. Chlorine monitors check the air in our loading and unloading bays, and line flushing cycles on the list after each use.
Waste minimization remains a challenge across the industry. Our internal audits force us to document and track every release point, big or small. Continuous partnerships with recovery unit vendors have shrunk our overall emissions steadily, but vigilance never lapses. Plant managers have weighed the benefits of direct synthesis compared to intermediate storage, and arguments always tilt toward “just-in-time” filling to minimize risk and aging inventory. Our neighbors expect prompt disclosure of any incidents, and our culture prioritizes solid relationships over short-term cut corners.
Regulatory compliance comes not by choice, but from hard-earned habit. Inspector reports become daily reading, and every team member—from line operator to logistics coordinator—sees the paperwork as an extension of daily routines. Site safety committees review every deviation. Posters in corridors highlight learnings from any near-miss or actual event. For us, safety and compliance blend into the manufacturing rhythm, not bolted on after the fact.
There’s rarely a dull moment with a reagent as pungent and potent as Nitrosyl Chloride. Its story, told in thousands of cylinder fills, countless process runs, and the quick intuition of hands-on operators, continues to evolve. Experience has shown us that the real value in this compound lies beyond an MSDS or purity certificate. Each kilogram filled and used reflects hours of care—on the line, in the lab, and during transit. Customers return, not merely for chemical content, but for documented process consistency and surety.
Manufacturing this material at high standards has changed practices across our teams. Teams now take time to validate every vent connection, double-check moisture readings, and tweak process controls at the smallest hint of deviation. Management, quality, and logistics all participate in routine risk reviews, shaping processes to fit real-world constraints rather than idealistic schedules. Anyone selling Nitrosyl Chloride without hands-on experience cannot speak to its reality—facing regulators, shipping teams, and the ever-vigilant end-user.
What sets Nitrosyl Chloride apart for us is the blend of chemical potency, user recognition, and routinized care at every stage. Success comes not from broad claims of versatility but from small, daily victories: a clean delivery, a successful lot run, and a satisfied chemist on the receiving end. In every cylinder sent, we place not just a chemical, but our record of care, safety, and performance—words that only matter because, batch after batch, the results hold up.